src/modules/m_auditorium.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15
  16 /* $ModDesc: Allows for auditorium channels (+u) where nobody can see others joining and parting or the nick list */
  17
  18 class AuditoriumMode : public ModeHandler
  19 {
  20  public:
  21         AuditoriumMode(InspIRCd* Instance) : ModeHandler(Instance, 'u', 0, 0, false, MODETYPE_CHANNEL, false) { }
  22
  23         ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string &parameter, bool adding)
  24         {
  25                 if (channel->IsModeSet('u') != adding)
  26                 {
  27                         if (IS_LOCAL(source) && (channel->GetStatus(source) < STATUS_OP))
  28                         {
  29                                 source->WriteServ("482 %s %s :Only channel operators may %sset channel mode +u", source->nick, channel->name, adding ? "" : "un");
  30                                 return MODEACTION_DENY;
  31                         }
  32                         else
  33                         {
  34                                 channel->SetMode('u', adding);
  35                                 return MODEACTION_ALLOW;
  36                         }
  37                 }
  38                 else
  39                 {
  40                         return MODEACTION_DENY;
  41                 }
  42         }
  43 };
  44
  45 class ModuleAuditorium : public Module
  46 {
  47  private:
  48         AuditoriumMode* aum;
  49         bool ShowOps;
  50         CUList nl;
  51         CUList except_list;
  52  public:
  53         ModuleAuditorium(InspIRCd* Me)
  54                 : Module(Me)
  55         {
  56                 aum = new AuditoriumMode(ServerInstance);
  57                 if (!ServerInstance->AddMode(aum))
  58                         throw ModuleException("Could not add new modes!")
  59                 OnRehash(NULL, "");
  60
  61                 Implements eventlist[] = { I_OnUserJoin, I_OnUserPart, I_OnUserKick, I_OnUserQuit, I_OnUserList, I_OnRehash };
  62                 Me->Modules->Attach(eventlist, this, sizeof(eventlist));
  63         }
  64
  65         virtual ~ModuleAuditorium()
  66         {
  67                 ServerInstance->Modes->DelMode(aum);
  68                 DELETE(aum);
  69         }
  70
  71         void Prioritize()
  72         {
  73                 ServerInstance->Modules->SetPriority(this, I_OnUserList, PRIO_BEFORE, &(ServerInstance->Modules->Find("m_namesx.so")));
  74         }
  75
  76         virtual void OnRehash(User* user, const std::string &parameter)
  77         {
  78                 ConfigReader conf(ServerInstance);
  79                 ShowOps = conf.ReadFlag("auditorium", "showops", 0);
  80         }
  81
  82         virtual Version GetVersion()
  83         {
  84                 return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
  85         }
  86
  87         virtual int OnUserList(User* user, Channel* Ptr, CUList* &nameslist)
  88         {
  89                 if (Ptr->IsModeSet('u'))
  90                 {
  91                         if (ShowOps)
  92                         {
  93                                 /* Leave the names list alone, theyre an op
  94                                  * doing /names on the channel after joining it
  95                                  */
  96                                 if (Ptr->GetStatus(user) >= STATUS_OP)
  97                                 {
  98                                         nameslist = Ptr->GetUsers();
  99                                         return 0;
 100                                 }
 101
 102                                 /* Show all the opped users */
 103                                 nl = *(Ptr->GetOppedUsers());
 104                                 nl[user] = user->nick;
 105                                 nameslist = &nl;
 106                                 return 0;
 107                         }
 108                         else
 109                         {
 110                                 /* HELLOOO, IS ANYBODY THERE? -- nope, just us. */
 111                                 user->WriteServ("353 %s %c %s :%s", user->nick, Ptr->IsModeSet('s') ? '@' : Ptr->IsModeSet('p') ? '*' : '=', Ptr->name, user->nick);
 112                                 user->WriteServ("366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
 113                                 return 1;
 114                         }
 115                 }
 116                 return 0;
 117         }
 118
 119         virtual void OnUserJoin(User* user, Channel* channel, bool &silent)
 120         {
 121                 if (channel->IsModeSet('u'))
 122                 {
 123                         silent = true;
 124                         /* Because we silenced the event, make sure it reaches the user whos joining (but only them of course) */
 125                         user->WriteFrom(user, "JOIN %s", channel->name);
 126                         if (ShowOps)
 127                                 channel->WriteAllExcept(user, false, channel->GetStatus(user) >= STATUS_OP ? 0 : '@', except_list, "JOIN %s", channel->name);
 128                 }
 129         }
 130
 131         void OnUserPart(User* user, Channel* channel, const std::string &partmessage, bool &silent)
 132         {
 133                 if (channel->IsModeSet('u'))
 134                 {
 135                         silent = true;
 136                         /* Because we silenced the event, make sure it reaches the user whos leaving (but only them of course) */
 137                         user->WriteFrom(user, "PART %s%s%s", channel->name,
 138                                         partmessage.empty() ? "" : " :",
 139                                         partmessage.empty() ? "" : partmessage.c_str());
 140                         if (ShowOps)
 141                         {
 142                                 channel->WriteAllExcept(user, false, channel->GetStatus(user) >= STATUS_OP ? 0 : '@', except_list, "PART %s%s%s", channel->name, partmessage.empty() ? "" : " :",
 143                                                 partmessage.empty() ? "" : partmessage.c_str());
 144                         }
 145                 }
 146         }
 147
 148         void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
 149         {
 150                 if (chan->IsModeSet('u'))
 151                 {
 152                         silent = true;
 153                         /* Send silenced event only to the user being kicked and the user doing the kick */
 154                         source->WriteFrom(source, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 155                         if (ShowOps)
 156                                 chan->WriteAllExcept(source, false, chan->GetStatus(source) >= STATUS_OP ? 0 : '@', except_list, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 157                         else
 158                                 user->WriteFrom(source, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 159                 }
 160         }
 161
 162         void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
 163         {
 164                 Command* parthandler = ServerInstance->Parser->GetHandler("PART");
 165                 std::vector<std::string> to_leave;
 166                 const char* parameters[2];
 167                 if (parthandler)
 168                 {
 169                         for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
 170                         {
 171                                 if (f->first->IsModeSet('u'))
 172                                         to_leave.push_back(f->first->name);
 173                         }
 174                         /* We cant do this neatly in one loop, as we are modifying the map we are iterating */
 175                         for (std::vector<std::string>::iterator n = to_leave.begin(); n != to_leave.end(); n++)
 176                         {
 177                                 parameters[0] = n->c_str();
 178                                 /* This triggers our OnUserPart, above, making the PART silent */
 179                                 parthandler->Handle(parameters, 1, user);
 180                         }
 181                 }
 182         }
 183 };
 184
 185 MODULE_INIT(ModuleAuditorium)